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  1. Article: Intraperitoneal Rupture of the Urinary Bladder Mimics an Intra-Abdominal Hemorrhage: A Case Report.

    Shingaki, Kodai / Abe, Tomohiro / Ameda, Tatsunori / Nakamura, Takeshi

    Cureus

    2022  Volume 14, Issue 8, Page(s) e28275

    Abstract: Hemorrhagic shock due to polytrauma is a life-threatening condition, requiring immediate diagnosis of the bleeding site and determination of an appropriate hemostatic procedure. Intra-abdominal injuries and pelvic fractures are major causes of massive ... ...

    Abstract Hemorrhagic shock due to polytrauma is a life-threatening condition, requiring immediate diagnosis of the bleeding site and determination of an appropriate hemostatic procedure. Intra-abdominal injuries and pelvic fractures are major causes of massive hemorrhage, although the appropriate hemostatic procedures are different for each injury. We present a case of intraperitoneal rupture of the urinary bladder associated with pelvic fracture, in which urine extravasation into peritoneal spaces mimics intra-abdominal hemorrhage. A 33-year-old man with a known case of schizophrenia attempted suicide by jumping down from the 4th floor of his apartment (approximately 10 meters in height). He was in a state of shock on arrival. Focused assessment with sonography for trauma (FAST) showed fluid collection around his spleen only but not the perivesical space. Pelvic X-ray showed multiple pelvic fractures. We suspected the patient was in a state of hemorrhagic shock due to intra-abdominal hemorrhage and pelvic fracture. The patient's hemodynamic status did not respond to massive fluid infusion and blood transfusion, including eight units of packed RBCs transfusion. Resuscitative endovascular balloon occlusion of the aorta was performed; however, the patient's hemodynamic status did not recover. We performed an emergency laparotomy to control the suspected intra-abdominal hemorrhage. In peritoneal space, we found a large amount of non-bloody fluid. The liver, spleen, and bowels were not injured, whereas the urinary bladder was ruptured, indicating the correct diagnosis was intraperitoneal rupture of the urinary bladder associated with pelvic fracture. The ruptured urinary bladder wall was sutured, and temporary abdominal closure was performed. A contrast-enhanced CT performed after the laparotomy showed massive hemorrhage around the pelvic fracture. After arrival at the angiography room, the patient became bradycardia, and the pulsation at the carotid artery was not palpable. We performed cardiopulmonary resuscitation; however, the patient died eventually. Intraperitoneal rupture of the urinary bladder would mimic an intra-abdominal hemorrhage. Therefore, a comprehensive diagnostic-treatment approach such as a hybrid ER system would be beneficial for early and accurate diagnosis.
    Language English
    Publishing date 2022-08-22
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.28275
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Cardiac Tamponade Due to Intrapericardial Hernia Mimicking ST-Segment Elevation Myocardial Infarction.

    Abe, Tomohiro / Kijima, Hiroaki / Ohuchida, Jiro / Hisashi, Yosuke / Tachioka, Shuji / Iwatani, Kenshi / Sadohara, Keisuke / Ameda, Tatsunori / Ochiai, Hidenobu

    JACC. Case reports

    2024  Volume 29, Issue 11, Page(s) 102348

    Abstract: Intrapericardial hernia is a diaphragmatic hernia that extremely rarely causes cardiac tamponade. We present a case of a cardiac tamponade caused by an intrapericardial hernia in a 78-year-old male patient with a history of coronary artery bypass ... ...

    Abstract Intrapericardial hernia is a diaphragmatic hernia that extremely rarely causes cardiac tamponade. We present a case of a cardiac tamponade caused by an intrapericardial hernia in a 78-year-old male patient with a history of coronary artery bypass grafting, mimicking ST-segment elevation myocardial infarction, which was successfully treated by emergent laparotomy.
    Language English
    Publishing date 2024-04-20
    Publishing country Netherlands
    Document type Case Reports
    ISSN 2666-0849
    ISSN (online) 2666-0849
    DOI 10.1016/j.jaccas.2024.102348
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Venous Thoracic Outlet Syndrome with an Upper Extremity Deep Vein Thrombosis Caused by a Dislocated Clavicle Fracture: A Case Report.

    Miyake, Yoshihiro / Abe, Tomohiro / Suekane, Akira / Goan, Atsushi / Ameda, Tatsunori / Ochiai, Hidenobu

    The American journal of case reports

    2023  Volume 24, Page(s) e939250

    Abstract: BACKGROUND Clavicle fractures are a relatively common injury, and are not problematic when occurring alone. Venous thoracic outlet syndrome (TOS) is generally caused by compression of the subclavian vein between the first rib and oblique muscles, and is ... ...

    Abstract BACKGROUND Clavicle fractures are a relatively common injury, and are not problematic when occurring alone. Venous thoracic outlet syndrome (TOS) is generally caused by compression of the subclavian vein between the first rib and oblique muscles, and is often complicated by the presence of upper extremities deep vein thrombosis (UEDVT). Herein, we present a case of venous TOS complicated with UEDVT due to a dislocated clavicle fracture. CASE REPORT A 29-year-old man was injured in a motorcycle accident. The patient's right clavicle was fractured, and the distal part of the fracture had dislocated into his right thorax. Contrast-enhanced computed tomography showed an obstruction of the subclavian vein by the dislocated clavicle and thrombus on the distal side of the obstruction. Anticoagulant therapy was not indicated because of other injuries, such as traumatic subarachnoid hemorrhage. No vena cava filter was placed in the superior vena cava owing to the relatively low volume of the thrombus. Alternatively, intermittent pneumatic compression to the right forearm was initiated. On day 6, surgical reduction of the clavicle was performed. The thrombus remained after the reduction. The patient received anticoagulation therapy with heparin followed by oral anticoagulants. The patient was discharged without any complications of UEDVT or bleeding. CONCLUSIONS Venous TOS with UEDVT caused by trauma is rare. Anticoagulation therapy, pneumatic limb compression, and vena cava filter placement should be considered according to the degree of the obstruction and other associated injuries.
    MeSH term(s) Male ; Humans ; Adult ; Clavicle ; Upper Extremity Deep Vein Thrombosis/diagnostic imaging ; Upper Extremity Deep Vein Thrombosis/etiology ; Vena Cava, Superior ; Fractures, Bone/complications ; Anticoagulants/therapeutic use
    Chemical Substances Anticoagulants
    Language English
    Publishing date 2023-07-11
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2517183-5
    ISSN 1941-5923 ; 1941-5923
    ISSN (online) 1941-5923
    ISSN 1941-5923
    DOI 10.12659/AJCR.939250
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Metolachlor Poisoning with Lactic Acidosis Improved by Thiamine Administration: A Case Report.

    Suekane, Akira / Edamoto, Masato / Kubo, Keisuke / Abe, Tomohiro / Nakatsutsumi, Keita / Ameda, Tatsunori

    The American journal of case reports

    2022  Volume 23, Page(s) e937873

    Abstract: BACKGROUND Metolachlor is a chloroacetamide herbicide that is extensively used worldwide. Ingestion of metolachlor causes acute toxicity via the generation of methemoglobin. Elevated levels of methemoglobin inhibit the transport of oxygen to tissue, ... ...

    Abstract BACKGROUND Metolachlor is a chloroacetamide herbicide that is extensively used worldwide. Ingestion of metolachlor causes acute toxicity via the generation of methemoglobin. Elevated levels of methemoglobin inhibit the transport of oxygen to tissue, causing hypoxia and lactic acidosis. A common treatment approach has been to reduce methemoglobin by administration of methylene blue. Herein, we present a case of metolachlor poisoning causing lactic acidosis that was treatable by thiamine administration, in which the methemoglobin level was not elevated. CASE REPORT A 61-year-old man was admitted to the emergency room with seizures and impaired consciousness after the ingestion of metolachlor (250 mL, 83%) with the intent to commit suicide. The patient's methemoglobin and lactate levels on admission were 0.9% and 11.8 mmol/L, respectively. After admission, the levels of lactate decreased gradually; however, they increased 13 h after admission. There was no evidence of heavy alcohol consumption, hyponutrition, or chronic thiamine deficiency. We initially administered a thiamine bolus (100 mg), which immediately improved his consciousness, followed by continuous administration of the same substance (1500 mg/day). The patient's consciousness improved, and was discharged from the intensive care unit on day 4. CONCLUSIONS Metolachlor can cause metabolic dysfunction and lactic acidosis without an increase in methemoglobin. Moreover, thiamine administration may be beneficial for patients with metolachlor intoxication exhibiting symptoms of elevated lactate levels, impaired consciousness, and lack of elevated methemoglobin levels.
    MeSH term(s) Male ; Humans ; Middle Aged ; Thiamine/therapeutic use ; Acidosis, Lactic/chemically induced ; Acidosis, Lactic/drug therapy ; Methylene Blue ; Methemoglobin ; Lactates ; Oxygen ; Herbicides
    Chemical Substances Thiamine (X66NSO3N35) ; metolachlor (X0I01K05X2) ; Methylene Blue (T42P99266K) ; Methemoglobin (9008-37-1) ; Lactates ; Oxygen (S88TT14065) ; Herbicides
    Language English
    Publishing date 2022-10-18
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2517183-5
    ISSN 1941-5923 ; 1941-5923
    ISSN (online) 1941-5923
    ISSN 1941-5923
    DOI 10.12659/AJCR.937873
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Factors associated with the occurrence of prehospital medical interventions provided by physicians among non-trauma patients: a single-centre retrospective observational study in Japan.

    Abe, Tomohiro / Iwatani, Kenshi / Aoyama, Takeshi / Ameda, Tatsunori / Ochiai, Hidenobu

    BMJ open

    2019  Volume 9, Issue 8, Page(s) e029186

    Abstract: Objectives: Physician-staffed prehospital units are widely used in many countries. The criteria for predicting fatal injury are well recognised for trauma victims, but there are no criteria for predicting critical condition for non-trauma patients. This ...

    Abstract Objectives: Physician-staffed prehospital units are widely used in many countries. The criteria for predicting fatal injury are well recognised for trauma victims, but there are no criteria for predicting critical condition for non-trauma patients. This study aimed to identify the factors associated with non-trauma cases receiving prehospital interventions by physicians.
    Design: Retrospective observational study.
    Setting: Physician-staffed prehospital unit (car) at a single-base hospital in a suburban city in Japan.
    Participants: Participants were 1058 non-trauma patients who received prehospital medical examinations from April 2014 to December 2017.
    Outcome measures: The outcome was the occurrence of physician-only interventions (POIs) exceeding paramedics' competencies. Univariate analysis and multiple logistic regression analysis were performed. Patient's age and gender, presumed disease category, type of location of the emergency, time of alarm, activation time, activator's occupation, time to arrival, transportation time and the destination facility were included as covariates.
    Results: POIs were provided to 380 (36%) patients. Patient's age, presumed disease category, type of location of the emergency, activator's occupation, time to arrival, transportation time and the destination facility were identified as potential independent factors. Multiple logistic regression analysis found that patient's age, presumed disease category, type of location of the emergency, transportation time and destination facility were the significant independent factors. Transportation times of more than 15 min (adjusted ORs (AORs)=4.17, 95% CI 2.59 to 6.72, p<0.01) or 10 to 14 min (AOR=3.66, 95% CI 2.32 to 5.79, p<0.01) and patient age of 40-59 years (AOR=3.16, 95% CI 1.66 to 6.01, p<0.01) were the strongest independent factors.
    Conclusions: This study identified the factors associated with non-trauma cases receiving prehospital POIs. Patient's age, presumed disease category, type of location of the emergency and transportation time are independent factors associated with requiring POIs.
    MeSH term(s) Adult ; Clinical Competence ; Emergency Medical Services/organization & administration ; Female ; Humans ; Japan ; Male ; Mobile Health Units ; Physicians ; Retrospective Studies
    Language English
    Publishing date 2019-08-20
    Publishing country England
    Document type Journal Article ; Observational Study
    ZDB-ID 2747269-3
    ISSN 2044-6055 ; 2044-6055 ; 2053-3624
    ISSN (online) 2044-6055
    ISSN 2044-6055 ; 2053-3624
    DOI 10.1136/bmjopen-2019-029186
    Database MEDical Literature Analysis and Retrieval System OnLINE

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